ATK Steel U Spring 4

The ATK RACE Steel U Spring 4 is a precision replacement spring for fine-tuning compatible ski touring bindings. Its fixed lateral release value of 4 is designed for lighter skiers and junior racers who need a lightweight setup with predictable performance.

Milled from high-quality steel, it delivers dependable reliability in demanding terrain while helping experienced users tailor their binding setup to their weight and skiing style. It suits seeking minimalist efficiency and consistent release behavior.